Americans are getting bigger and bigger with each passing year, according to Trust for America's Health's F as in Fat report.

Back in 1991, there were zero states in the U.S. that had an obesity level over 15 percent.

Today, Colorado is the only state with an obesity rate below 20 percent. Another 12 states have levels over 30 percent.

By measuring state obesity against population, we calculated a 0.5 percent increase in national obesity compared to last year's report. That's equivalent to 1.54 million new obese Americans in a single year.

Meanwhile, adult diabetes increased in 11 states. Hypertension has also increased over the past 20 years. In 14 states the number of adults who said they do not exercise increased.

As you'll see in the Hall of Shame from the most recent report, displayed below, states with the highest obesity level are mostly in the South.